SCHIZOPODA — EUPHAUSIA, NYCTIPHANES, THYSANOESSA. 31 



EUPHAUSIA PELLUCIDA Dana. 

 (Determination by G. 0. Sars.) 



1898 Oktober: 37°— 39° N. 27°— 21° W. 



1899 May: 25° S. 7° E. 



Temperature: 17.9, mean of 3 obs., max. 20, min. 14.6. 

 Salinity: 36.o8, mean of 3 obs., max. 36.26, min. 35.77. 

 Plankton-type. According to G. 0. Sars this species is » cos- 

 mopolitan* — S? 



NYCTIPHANES NORVEGICUS (M. Sars.) 

 •(Determination by G. 0. Sars.) 



1899 September: 67° N. 3° W.; 62° N. 1° E. (deep sea hauls from 

 500 and 50 metres); 61° N. 1° E., hauls from 50 and 100 metres. 



Temperature: O.e. 



Salinity: 35.io. 



Plankton-type. Found in Massachusetts Bay, off Ireland, 

 Scotland, the Shetlands, Norway, SW. of Spitzbergen, Jan Mayen 

 (836 metre), in the Bay of Biscay and off the coast of Portugal 



(AURIVILLIUS). T. 



THYSANOESSA GREGARIA G. 0. Sars. 

 (Determination by G. 0. Sars.) 

 1899 October: 56° N. 23° W. 



Temperature: 12. 



Salinity: 35.44. 



Plankton-type. This species has a very wide range of distri- 

 bution. It is known to exist in the N. Atlantic, S. and E. of 

 Buenos Ayres, in the region between Patagonia and the Falklands Is- 

 lands, S. of the Cape of Good Hope, S. Pacific, N. Pacific to Japan 

 and in the Mediterranean. — ■? 



THYSANOESSA LONGICAUDATA Kroyer. 

 (Determination by G. 0. Sars.) 

 1898 February: 48° N. 41° W., common. 

 March: 51° N. 27° W., common. 

 April: 43° N. 50° W., common. 

 October: 56° N. 29° W. 



